1.900 Å
X-ray
2013-03-06
| Name: | Serine/threonine-protein kinase Chk1 |
|---|---|
| ID: | CHK1_HUMAN |
| AC: | O14757 |
| Organism: | Homo sapiens |
| Reign: | Eukaryota |
| TaxID: | 9606 |
| EC Number: | 2.7.11.1 |
| Chain Name: | Percentage of Residues within binding site |
|---|---|
| A | 100 % |
| B-Factor: | 36.634 |
|---|---|
| Number of residues: | 28 |
| Including | |
| Standard Amino Acids: | 28 |
| Non Standard Amino Acids: | 0 |
| Water Molecules: | 0 |
| Cofactors: | |
| Metals: | |
| Ligandability | Volume (Å3) |
|---|---|
| 0.607 | 614.250 |
| % Hydrophobic | % Polar |
|---|---|
| 50.55 | 49.45 |
| According to VolSite | |

| HET Code: | 1KO |
|---|---|
| Formula: | C18H21ClN6O |
| Molecular weight: | 372.852 g/mol |
| DrugBank ID: | - |
| Buried Surface Area: | 57.91 % |
| Polar Surface area: | 103.16 Å2 |
| Number of | |
|---|---|
| H-Bond Acceptors: | 3 |
| H-Bond Donors: | 4 |
| Rings: | 4 |
| Aromatic rings: | 3 |
| Anionic atoms: | 0 |
| Cationic atoms: | 2 |
| Rule of Five Violation: | 0 |
| Rotatable Bonds: | 4 |
| X | Y | Z |
|---|---|---|
| 14.1039 | -2.67827 | 8.65885 |
Image generated by PoseView
Represent the protein/ligand binding mode, centered on the ligand
Dashed lines represents hydrogen bonds and metal interactions
Green residue labels for amino acids with hydrophobic contacts (green lines) to the ligand
| Ligand | Protein | Interaction | |||
|---|---|---|---|---|---|
| Atom | Atom | Residue | Distance (Å) | Angle (°) | Type |
| C21 | CD2 | LEU- 15 | 3.99 | 0 | Hydrophobic |
| C13 | CG2 | VAL- 23 | 4.49 | 0 | Hydrophobic |
| N25 | O | GLU- 85 | 3.05 | 163.61 | H-Bond (Ligand Donor) |
| O26 | N | CYS- 87 | 2.96 | 164.52 | H-Bond (Protein Donor) |
| N15 | O | GLU- 134 | 2.91 | 133.5 | H-Bond (Ligand Donor) |
| N15 | OD1 | ASN- 135 | 3.11 | 124.77 | H-Bond (Ligand Donor) |
| N15 | OD1 | ASP- 148 | 2.67 | 158.2 | H-Bond (Ligand Donor) |
| N15 | OD2 | ASP- 148 | 3.21 | 121.75 | H-Bond (Ligand Donor) |
| N15 | OD1 | ASP- 148 | 2.67 | 0 | Ionic (Ligand Cationic) |
| N15 | OD2 | ASP- 148 | 3.21 | 0 | Ionic (Ligand Cationic) |